TheProfessor82 TheProfessor82
  • 23-05-2016
  • Mathematics
contestada

Need a bit of help on the question please

Need a bit of help on the question please class=

Respuesta :

caylus
caylus caylus
  • 23-05-2016
Hello,

as 6^3=6*6*6=216
∛(-216)=-6

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 23-05-2016
remember
∛(mn)=(∛m)(∛n)
and
if you have the 3rd root of a negative number, the root will be negative

∛-216=(∛216)(∛-1)
we know that 216=6^3 (you know, just fun fact)
6(∛-1)
3rd root of -1 is -1 ((-1)^3=-1)
6(-1)
-6
Answer Link

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